What is GHSA-4j4j-2wjq-mxqj?

GHSA-4j4j-2wjq-mxqj is a security advisory published by GitHub Security Advisories with High severity. Improper link resolution before file access ('link following') in Windows Update Stack allows an...

Which CVE IDs does GHSA-4j4j-2wjq-mxqj cover?

GHSA-4j4j-2wjq-mxqj covers the following CVE IDs: CVE-2026-81963. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4j4j-2wjq-mxqj?

GHSA-4j4j-2wjq-mxqj has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-4j4j-2wjq-mxqjHighCVSS 7.8

Improper link resolution before file access ('link following') in Windows Update Stack allows an...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-81963 →

📋 Description

Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-81963
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81963
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-81963
https://github.com/advisories/GHSA-4j4j-2wjq-mxqj